Barnacles and algae do grow on sea turtles. They will often 'scratch' themselves against hard corals, rocks etc. which may stop them getting as heavily encrusted as boats and jetties etc. Source: I run marine conservation programs, including turtle nesting beaches.
XtremioPete t1_iw43j09 wrote
Reply to Why don't barnacles or seaweed grow on sea turtles as on seaboats? (all the rescue videos of turtles overgrown with stuff are fake glued on by upvote farms) by SvenAERTS
Barnacles and algae do grow on sea turtles. They will often 'scratch' themselves against hard corals, rocks etc. which may stop them getting as heavily encrusted as boats and jetties etc. Source: I run marine conservation programs, including turtle nesting beaches.